The function of the expansion ring is mainly to increase the strength of the can lid. and ensure the sealing structure of the can.
The following is a brief introduction to the problems that the cannery should pay attention to when using tinplate easy open lids, hoping to help the cannery.
In 1795, the French government offered a large reward for the preservation of military food due to war needs.
Looking for easy open end?Partner with the Best.
Send Your Requirements To Get Free Sample
*we respect your confidentiality and all information areprotected.